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72333770 = 257233377
BaseRepresentation
bin1000100111110…
…11100111001010
312001002221021112
410103323213022
5122004140040
611102210322
71535553425
oct423734712
9161087245
1072333770
1137915483
12202839a2
1311ca7b62
14986c9bc
15653c365
hex44fb9ca

72333770 has 8 divisors (see below), whose sum is σ = 130200804. Its totient is φ = 28933504.

The previous prime is 72333749. The next prime is 72333787. The reversal of 72333770 is 7733327.

It can be written as a sum of positive squares in 2 ways, for example, as 72301009 + 32761 = 8503^2 + 181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3616679 + ... + 3616698.

Almost surely, 272333770 is an apocalyptic number.

72333770 is a deficient number, since it is larger than the sum of its proper divisors (57867034).

72333770 is a wasteful number, since it uses less digits than its factorization.

72333770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7233384.

The product of its (nonzero) digits is 18522, while the sum is 32.

The square root of 72333770 is about 8504.9262195506. The cubic root of 72333770 is about 416.6586160222.

The spelling of 72333770 in words is "seventy-two million, three hundred thirty-three thousand, seven hundred seventy".

Divisors: 1 2 5 10 7233377 14466754 36166885 72333770